﻿using UnityEngine;
using System.Collections;

/// <summary>
/// 触碰回调函数
/// </summary>
public interface IInput
{
	// 开始回调函数，（按钮按下、触碰）触发一次
	void OnPointerDown(Vector2 pixelPosition);

	// 移动回调函数，移动时触发
	void OnPointerMove(Vector2 pixelPosition,Vector2 direction);

	// 缩放回调函数，缩放时触发
	void OnPointerZoom(Vector2 pixelPosition,float distance);

	// 结束回调函数，（按钮松开，触离）触发一次
	void OnPointerUp(Vector2 pixelPosition);

	// 更新回调函数，每侦触发
	void OnUpdate();
}

public class IInputProvider
{
    public static Vector3 nullPointer = new Vector3(-99999, -99999, -99999);
    protected IInput mInput;
    public virtual Vector2 PointerPosition {
        get {
            return Vector2.zero;
        }
    }

    public IInputProvider(IInput input)
    {
        mInput = input;
    }
    public virtual void Update()
    {

    }
}
